Coral

For sure you have seen a coral whether out there in the sea or on some television programs. Nevertheless, it is referred to as one of the miracles of nature practically because of its unique characteristic. For your information, it is comprised of a plant, an animal, and a rock that has been rolled into one! Amazing, right? There are two types of which. One is stony wherein it is composed of skeletons and enough to build a reef. The other type is soft which means that there is no bone of any sort. It is not in any way built out of a single animal but is a team up of several colonies of polyps.

As far as the functioning is concerned, this makeup of animal, plant, and rock makes do with its obligation to supply the nutrients and carbon dioxide for the algae. In turn, the latter utilizes those things for their own photosynthesis along with the generation of oxygen and carbohydrates which are all essential for the respiration and nourishment of the corals. Although the latter grows at such a slow pace, it has to be remembered that they should likewise be given due importance instead of getting sabotaged by the series of irrational human activities.

Nowadays, fish aquarium is a popular hobby that entails the use of corals as part of the decoration of a natural ecosystem. The stores actually sell them and the salesperson also includes giving out careful instructions as to how they can be of help in the maintenance of the natural habitat for the fish.